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| author | Vivek Goyal <vgoyal@redhat.com> | 2010-09-15 17:06:35 -0400 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-09-16 08:42:52 +0200 |
| commit | e43473b7f223ec866f7db273697e76c337c390f9 (patch) | |
| tree | e90b52dbe4ec4ae37263a00e2bd9eaf5367cf72f /block/Kconfig | |
| parent | 4c9eefa16c6f124ffcc736cb719b24ea27f85017 (diff) | |
| download | renesas_kernel-e43473b7f223ec866f7db273697e76c337c390f9.tar.gz renesas_kernel-e43473b7f223ec866f7db273697e76c337c390f9.tar.bz2 renesas_kernel-e43473b7f223ec866f7db273697e76c337c390f9.zip | |
blkio: Core implementation of throttle policy
o Actual implementation of throttling policy in block layer. Currently it
implements READ and WRITE bytes per second throttling logic. IOPS throttling
comes in later patches.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/Kconfig')
| -rw-r--r-- | block/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig index 9be0b56eaee..6c9213ef15a 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -77,6 +77,18 @@ config BLK_DEV_INTEGRITY T10/SCSI Data Integrity Field or the T13/ATA External Path Protection. If in doubt, say N. +config BLK_DEV_THROTTLING + bool "Block layer bio throttling support" + depends on BLK_CGROUP=y && EXPERIMENTAL + default n + ---help--- + Block layer bio throttling support. It can be used to limit + the IO rate to a device. IO rate policies are per cgroup and + one needs to mount and use blkio cgroup controller for creating + cgroups and specifying per device IO rate policies. + + See Documentation/cgroups/blkio-controller.txt for more information. + endif # BLOCK config BLOCK_COMPAT |